Industries require a metallic sphere of 8 cm made of metal A. The cost of making the sphere with metal A and B are Rs. 320 and Rs. 40 respectively. (Cost is proportional to the volume). In the market, 30% profit is advised. A dealer claims that he can provide the industry at 10% lesser than the market price. He accomplishes that by making the sphere with 4 cm of inner sphere with metal B and remaining volume with metal A. What is the original profit (%) he earned (Approximated to nearest integer)?

Industries require a metallic sphere of 8 cm made of metal A. The cost

1.	Industries require a metallic sphere of 8 cm made of metal A. The cost of making the sphere with metal A and B are Rs. 320 and Rs. 40 respectively. (Cost is proportional to the volume). In the market, 30% profit is advised. A dealer claims that he can provide the industry at 10% lesser than the market price. He accomplishes that by making the sphere with 4 cm of inner sphere with metal B and remaining volume with metal A. What is the original profit (%) he earned (Approximated to nearest integer)?
A.	30
B.	31
C.	32
D.	33
E.	34
Answer» C. 32